Actively Recruiting

Phase 1
Age: 22Years - 40Years
FEMALE
NCT06821685

Autologous Decidual-like Natural Killer Cells Therapy for Infertility or Adverse Pregnancy History

Led by The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School · Updated on 2025-11-17

14

Participants Needed

1

Research Sites

145 weeks

Total Duration

On this page

Sponsors

T

The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School

Lead Sponsor

T

The University of Science and Technology of China

Collaborating Sponsor

AI-Summary

What this Trial Is About

The aim of this study is preliminary exploration of the effectiveness and duration of autologous decidual-like NK cells therapy in improving uterine NK cells dysfunction.

CONDITIONS

Official Title

Autologous Decidual-like Natural Killer Cells Therapy for Infertility or Adverse Pregnancy History

Who Can Participate

Age: 22Years - 40Years
FEMALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Abnormal uterine NK cell function
  • History of at least one of the following: unexplained recurrent spontaneous abortions (≥2, including biochemical pregnancy), repeated implantation failure (failure of good-quality embryos in at least two IVF cycles), unexplained infertility, early-onset severe gestational hypertension, or early-onset fetal growth restriction
  • Clear desire to conceive
  • Normal ovarian function or with frozen embryos
  • Endometrium thickness ≥ 7mm measured by vaginal ultrasound before ovulation or at mid-luteal phase
  • Body mass index between 18kg/m² and 30kg/m²
Not Eligible

You will not qualify if you...

  • Use of progesterone receptor modulators
  • Chromosomal karyotype abnormalities in one spouse
  • Severe endometriosis, uterine fibroids affecting uterine shape or size more than 2.5 months of pregnancy, uterine malformation, uterine adhesion, or thin endometrium
  • Uncontrolled autoimmune diseases
  • Abnormal blood coagulation, abnormal liver or kidney function, or other uncontrolled basic diseases (hypertension, diabetes, thyroid disease, etc.) that may affect study progress
  • History of pelvic malignant tumors
  • Currently participating in other clinical studies
  • Allergy to blood products

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

The Affiliated Drum Tower Hospital of Nanjing University

Nanjing, Jiangsu, China, 210006

Actively Recruiting

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Research Team

Y

Yali Hu

CONTACT

H

Hui Zhu

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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